update toplevel comments, add mutable stack to zipped acyclic iterators

2020-04-19 16:01:35 -06:00
parent 2c92be5e3d
commit 8ce377d033
4 changed files with 24 additions and 8 deletions
--- a/src/prolog/toplevel.pl
+++ b/src/prolog/toplevel.pl
@@ -214,7 +214,10 @@ gather_goals([Var = Value | Pairs], VarList, Goals) :-
    ).

 print_exception(E) :-
-    (  E == error('$interrupt_thrown', repl) -> nl % print the exception on a newline to evade "^C".
+    (  E == error('$interrupt_thrown', repl) -> nl % print the
+                                                   % exception on a
+                                                   % newline to evade
+                                                   % "^C".
    ;  true
    ),
    write_term('caught: ', [quoted(false), max_depth(20)]),